| Blodwen | Welsh | Derived from blodeuyn (white flower.. |  |  |
| Blodwyn | Welsh | This name has the meaning "flower." | | |
| Bowen | Welsh | Meaning "son of Owen." | | |
| Bran | Welsh | Popular name derived from bran (rav.. |  | |
| Branwen | Welsh | Compound name composed from the ele.. | | |
| Brice | Welsh | Meaning "alert" or "ambitious."
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| Bronwyn | Welsh | Meaning "white breasted." | | |
| Bryce | Welsh | An alternate form of Brice |  | |
| Brychan | Welsh | Derived from an old Welsh word mean.. | | |
| Bryn | Welsh | Popular name derived from the Welsh.. | | |
| Brynmor | Welsh | Compound name composed of the Welsh.. | | |
| Caddock | Welsh | Meaning "eager for war." | | |
| Cadell | Welsh | Derived from the Old Welsh elements.. | | |
| Cadogan | Welsh | Anglicized form of Cadwgawn (battle.. | | |
| Cadwaladr | Welsh | Compound name composed of the Old W.. | | |
| Cadwallon | Welsh | Compound name composed of the Welsh.. | | |
| Cadwgawn | Welsh | Compound name composed of the Old W.. | | |
| Caerwyn | Welsh | Compound name composed of the eleme.. | | |
| Cai | Welsh | A form of the Latin Gaius, meanin.. | | |
| Cainwen | Welsh | Old name derived from the Welsh ele.. | | |
| Calder | Welsh | This name means "book" or "stream.".. | | |
| Caradoc | Welsh | Ancient name derived from the eleme.. | | |
| Carey | Welsh | A borrowing from the Irish and the .. | | |
| Cari | Welsh | Alternate forms of Carolyn, meaning.. | | |
| Caron | Welsh | Meaning "loving," "kind-hearted," o.. | | |
| Carys | Welsh | Derived from the Welsh caru (love) .. | | |
| Cathwg | Welsh | Welsh form of Katherine, a cognate .. | | |
| Catrin | Welsh | Welsh form of Katherine (pure, unsu.. | | |
| Cattwg | Welsh | Old name derived from the Old Welsh.. | | |
| Cerdic | Welsh | Meaning "beloved." | | |
| Ceridwen | Welsh | Compound name derived from the Wels.. | | |
| Charles | Welsh | A popular name throughout Europe an.. | | |
| Cledwyn | Welsh | Compound name composed of the eleme.. | | |
| Colwyn | Welsh | The name of a river in Wales | | |
| Creirdyddlydd | Welsh | Compound name composed of the Welsh.. | | |
